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P0616 2016 Chevrolet Silverado Code - Starter Relay Control Circuit Low Voltage

Quick Answer

The P0616 diagnostic trouble code (DTC) indicates an issue with the starter relay control circuit in a 2016 Chevrolet Silverado. Common causes include Faulty starter relay, Damaged wiring or connectors in the starter relay control circuit, Weak battery. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0616 2016 Chevrolet Silverado indicates Starter Relay Control Circuit Low Voltage.
Common causes
Common causes include Faulty starter relay, Damaged wiring or connectors in the starter relay control circuit, Weak battery.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0616 2016 Chevrolet Silverado Description

The P0616 diagnostic trouble code (DTC) indicates an issue with the starter relay control circuit in a 2016 Chevrolet Silverado. This code specifically points to low voltage being detected in the circuit, which can prevent the starter relay from functioning properly. The starter relay is responsible for sending power from the battery to the starter motor, enabling the engine to start. When the control circuit voltage is too low, it can lead to starting issues, such as the engine not cranking or starting intermittently.

OBDII Code P0616 2016 Chevrolet Silverado - Starter Relay Control Circuit Low Voltage
P0616 2016 Chevrolet Silverado Code - Starter Relay Control Circuit Low Voltage

Common Causes of P0616 2016 Chevrolet Silverado

  1. Faulty starter relay
  2. Damaged wiring or connectors in the starter relay control circuit
  3. Weak battery
  4. Faulty ignition switch
  5. Corrosion on electrical connections

Symptoms of P0616 2016 Chevrolet Silverado

  1. Intermittent starting issues
  2. Engine cranks but does not start
  3. Clicking sound when turning the key
  4. Dimming lights when attempting to start the vehicle
  5. Check Engine Light illuminated

How to Fix P0616 2016 Chevrolet Silverado

  1. Begin by performing a thorough inspection of the starter relay control circuit, looking for any visible damage or corrosion. Repair or replace any damaged wiring or connectors.
  2. Test the starter relay using a multimeter to determine if it is functioning correctly. Replace the starter relay if necessary.
  3. Check the battery voltage to ensure it is within the proper range. A weak battery can cause low voltage issues in the circuit. Recharge or replace the battery as needed.
  4. Inspect the ignition switch for any signs of wear or damage. Replace the ignition switch if it is found to be faulty.
  5. Clear the DTC using an OBD-II scanner after completing the repairs to reset the system and check for any remaining issues.

Cost to Fix P0616 2016 Chevrolet Silverado

The typical repair costs for addressing a P0616 code in a 2016 Chevrolet Silverado can range from $100 to $300, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes parts and labor. However, it's essential to note that diagnosis time and labor rates can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to obtain local quotes for a more accurate cost estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0616 2016 Chevrolet Silverado Code

1. What does the OBDII code P0616 mean on a 2016 Chevrolet Silverado?

P0616 indicates a "Starter Relay Control Circuit Low Voltage," meaning the vehicle's PCM has detected a low voltage issue in the starter relay control circuit.

2. What are the common symptoms of code P0616 in a 2016 Chevrolet Silverado?

Symptoms may include difficulty starting the vehicle, a no-start condition, the starter not engaging, or intermittent starting issues.

3. What causes the P0616 code to appear in a 2016 Chevrolet Silverado?

Common causes include a faulty starter relay, damaged wiring or connectors in the starter relay circuit, a weak battery, or a malfunctioning PCM.

4. Can a weak battery trigger the P0616 code on a 2016 Chevrolet Silverado?

Yes, a weak or discharged battery can result in insufficient voltage to the starter relay circuit and trigger the P0616 code.

5. How do I diagnose the P0616 code on my 2016 Chevrolet Silverado?

Start by checking the battery voltage, inspecting the wiring and connectors for damage or corrosion, testing the starter relay, and verifying the PCM is functioning properly.

6. Is it safe to drive my 2016 Chevrolet Silverado with a P0616 code?

Driving with a P0616 code is not recommended, as it can lead to starting issues and leave you stranded if the vehicle fails to start.

7. How do I fix the P0616 code on a 2016 Chevrolet Silverado?

Repairs may include replacing a faulty starter relay, repairing or replacing damaged wiring or connectors, charging or replacing the battery, or reprogramming the PCM if necessary.

8. How much does it cost to repair the P0616 code on a 2016 Chevrolet Silverado?

Repair costs can vary, but replacing a starter relay typically costs $50–$150, while addressing wiring issues or PCM problems may cost more depending on labor and parts.

9. Can a faulty PCM cause the P0616 code on a 2016 Chevrolet Silverado?

Yes, a malfunctioning PCM can fail to properly control the starter relay circuit and trigger the P0616 code, but this is less common compared to other causes.

10. Do I need a professional mechanic to fix the P0616 code on my 2016 Chevrolet Silverado?

While some issues like checking the battery or replacing the starter relay can be done by DIYers, diagnosing and repairing wiring or PCM problems may require a professional mechanic.

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